74 Answered Questions for the topic Word Algebra

04/05/18

A mass of 10 grams and velocity of 9 centimeters per second has a kinetic energy of _____ergs.

Kinetic energy varies jointly as the mass and the square of the velocity. A mass of 15 grams and velocity of 7 centimeters per second has a kinetic energy of 147 ergs. Find the kinetic energy for a... more

03/21/18

02/25/18

Use Logarithms to solve

A certain element has a half life of 4.5 billion years. a. You find a rock containing a mixture of the element and lead. You determine that 20% of the original element remains; the other 80%... more

02/15/18

7.7 applications of systems of linear equations

A paper mill makes newsprint, bond, and copy machine paper. Each ton of newsprint requires 3 tons of recycled paper, and 1 ton of wood pulp. Each ton on bond requires 2 tons of recycled paper, and... more

01/25/18

word problem algebra

Omar biked from school to the park at an average speed of 9 miles per hour, and then biked back the same way at an average speed of 8 miles per hour. If the round trip took 1 hour, how many miles... more

01/04/18

maggie bought c CD's for $8 each, b books for$11 each and a purse costing $36. Write an expression to show the total amount of money Maggie spent. 12/06/17 Twice the difference of a number and 2 is 9 . Need help with this one where do i begin 11/27/17 HELP ASAP PLEASE You are buying orange juices for 245 dollars per container and have a gift card worth 20 dollars. The function f(x)=245x-20 represents your total cost f(x) if you buy x containers of orange juice... more 11/07/17 Find five consecutive odd integers such that the sum of the first and the fifth is one less than three times the fourth Please tell me how to solve this problem and all the steps required with it. 10/28/17 lee hiked up hill at 2 mph and jogged back same distance at 6mph. the trip up took 2 hrs longer. How long did it take to hike up. how far did she hike up. hiking to tower from camp took 2 hrs longer than hiking back at 6mph . how many miles one way and how long 10/05/17 A 70% markup on the selling price brought the selling price to$1400. What did the shopkeeper pay for the item and what was the markup?

I'm confused because it says selling price twice but seems to be referring to two different things. When I try to work the problem the way I learned it the problem won't solve. This is how I've... more

10/03/17

Am I doing this right?

Kai takes off from parking structure 1 at 3:00 PM, driving north. One hour later, Jacob takes off from parking structure 1, too,  but he had south, and his speed is 15 mph more than Kai's. At... more

08/12/17

A certain element has a half life of 2.5 billion years. a. You find a rock containing a mixture of the element and lead. You determine that 55% of the origina

A certain element has a half life of 2.5 billion years. a. You find a rock containing a mixture of the element and lead. You determine that 55% of the original element remains; the other 45%... more

07/17/17

04/21/17

How far is the rest stop

The sign says you are leaving Missoula, Butte is 120 mi away and Bozeman is 200 mi away. There is a erst stop halfway between Butte and Bozeman. How far is the rest stop from Missoula if both Butte... more

04/21/17

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